Transcription

1 PART I: GENERAL 1.01 Wiring Devices A. This section of the standard includes design requirements for wiring connections, including receptacles and switches to equipment specified in other sections. a. All Emergeny Cuircets shall be identified by Red Outles, Switches, Covers, Face Plates, Junction Boxes, and Covers 1.02 Dry Type Transformers A. This section includes enclosed dry type transformers for lighting and power loads, with primaries and secondary rated 600 volts and less Disconnect Switches A. This section includes enclosed switches for use as disconnects in service and distribution systems rated 600 volts and less Metal Enclosed Distribution Switchgear A. This section includes metal enclosed switchgear for application at 600 volts and less Panel boards 1.06 Bussway A. This section includes enclosed fusible switch and circuit breaker panel boards for feeders, and circuit breaker type lighting and appliance branch circuit panel boards. A. This section includes feeder and plug-in bussway in ratings 150 amperes to 5000 amperes, 600 volts and less Reference Standard A. Reference standard Common Work Results for Electrical for related information on underground ducts and manholes, building wire and cable, raceways and boxes, cable trays, full short circuit device, coordination and arc fault study, and enclosed switches. PART 2: PRODUCTS 2.01 Wiring Devices A. Electrical Requirements Distribution - 1

2 1. All electrical switches and outlets used shall be equal to Hubbell heavy duty, specification grade or equivalent quality. 2. Minimum 20 ampere rated switches shall be used for lighting and power loads. In cases where wall dimmers are used, the dimmer shall be solid-state design with flicker noise control. Minimum accepted manufacturer and quality Lutron Nova T Series. 3. Device faceplates shall be smooth finish hard plastic. Project Service Provide (PSP) shall coordinate color requirements with building architect. Galvanized face plates shall be used for all surface mounted devices. a. Hallway receptacle faceplates shall be stainless steel. b. Residence life buildings faceplates shall be colored vinyl c. Emergency Curcuits shall be identified by Red Outlets & Face Plates 2.02 Dry Type Transformers A. Up to 5 kva: (1ph and 3ph) shall be totally enclosed, self-cooled dry-type with a 150 C insulation system that will not exceed a 80 C rise at a maximum ambient temperature of 40 degrees C. B. 5 kva to 25 kva: (1ph and 3ph) shall be totally enclosed, solid fill, self cooled with a 180 C insulation system that will not exceed a 110 C rise at maximum ambient temperature of 40 degrees. C. 30 kva and above: shall be open, self-cooled dry-type, designed for free convection of air through the windings with a 220 C insulation system that will not exceed a 150 C rise at maximum ambient temperature of 40 C. D. Taps in the high voltage winding shall be four each 2-1/2% FCBN for the following ratings: 30 KVA and above, three phase; 5 KVA through 25 KVA, single phase. Taps shall be two each 5% FCBN for all other units except that units rated below 1.0 KVA do not require taps. Additional or smaller taps may be supplied (10% total BN required) if it is the manufacturer s standard. E. Transformer windings can be copper or aluminum Not Used 2.04 Disconnect Switches A. Use heavy duty type fused and non-fused, enclosed switches only Metal Enclosed Distribution Switchgear Distribution - 2

3 A. Switchgear shall be metal enclosed construction, front and rear access, NEMA 1 drip- proof, ANSI C37/UL1558, rated 600V and shall operate on a 480/277 or 208/120 volt, three-phase, solidly grounded wye, 60 Hz system. The switchboard shall be designed in accordance with the latest NEMA, ANSI, and IEEE standards applicable to this equipment. These standards shall be referenced in the project specifications. B. Use only ANSI C37.15/UL1066, draw out mounted, power circuit breakers in the switchgear. C. Metering: D. Bussing 1. Coordinate location of sub-metering & requirements with SHSU. 2. Sub-metering shall be 13 Terminal, KW, KWH, Demand, with KYZ output capability. 1. The bus shall be insulated copper with a current density of 1000A/in2. The insulation shall be class B (130 degree C) rated material. Bus connections (including the tie bus) shall be accessible from the rear of the switchboard. All bussing shall be braced for the maximum available fault current. 2. Neutral bars shall be full capacity rated. 3. Provide a ground bus through the full length of each section of the switchboard. 4. Provide a disconnecting means for the neutral either in the form of a link, or similar conducting piece, designed to make connection between two suitable terminals or consisting of a terminal plate or stud provided with a suitable wire connection. Simple removal of bolts from a single bus bar is not acceptable. E. Professional Service Provider (PSP) shall require the manufacturer to provide a mimic bus. Show bussing, connections and devices in single line form using black laminated plastic strips securely attached on the front panels of the switchboard. F. Main and Tie section devices shall be individually mounted and compartmented. G. Distribution section devices shall be individually mounted and compartmented. H. Auxiliary section devices shall be individually mounted and compartmented. I. Provide switchboard on 4 housekeeping pad with suitable angle iron embedded in concrete to allow for proper alignment and anchoring as recommended by the manufacturer. J. Future provisions: Switchboard shall be designed with future spaces (15% minimum) equipped with breakers and such that the future additions may be readily made in the field. Distribution - 3

4 K. The power circuit breakers shall be equipped with a solid state tripping system consisting of individual phase monitoring current sensors, a solid state processing device, and a flux transfer shunt trip. The following protective modes or the equivalents shall be provided as a part of the solid state tripping: 2.06 Panel boards 2.07 Buss way 1. All breakers shall have long-time pick-up of at least to 1.25 times sensor rating and a long time delay of at least 4 to 36 seconds at 6 times sensor rating. 2. All breakers shall have short time pick-up of at least 4 to 12 times sensor rating and a short delay time of at least to 0.05 seconds at 2.5 times short delay pick-up. 3. Only the feeder breakers shall have instantaneous pick-up (At least 4 to 12 times sensor rating). Instantaneous operation is not required on the Mains or Tie breakers. If provided instantaneous element must be capable of being disabled. 4. Ground fault protection is required and shall include zone interlocking between feeder circuits and the appropriate main breaker. A. Panel board bus shall be 98% conductivity copper. Bus shall be installed completely throughout panel to permit addition of new bolt-on breakers in available space in future without modifying bus. B. All panel boards shall have door locks. The front cover shall be a door in door arrangement with the inner door hinged to allow breaker handle access. A. Provide copper bussway only. B. Service entrance bussway to be furnished with switchgear. For exterior applications to include 240 volt rated space heaters to operate at 120 volts. PART 3: EXECUTION 3.01 Wiring Devices A. Modular Furniture Spine (no telecommunications outlets) shall not be connected to a general purpose receptacle and must be connected by a furniture whip. B. A typical single person office space should contain a minimum of four duplex receptacles. D. A typical open office shall contain a minimum of four duplex receptacles and one communications outlet per workstation. Distribution - 4

5 3.02 Dry Type Transformers A. Larger transformers for facilities shall be designed for location on the ground floor if possible. The PSP is responsible for coordinating maximum transformer weights and anticipated floor loading with the project structural engineer. B. Transformers installed in electrical rooms shall be designed and sized in coordination with architect and door dimensions. All transformers sized above 225 kva shall require double doors or doors in excess of standard 36 width. C. Transformers 15 kva and above are to be floor mounted. D. PSP shall provide detail layouts of electrical rooms indicating transformer locations drawn to scale with special mounting instructions as appropriate. E. All transformers are to be given an alphanumeric label that will relate the transformer on the room detail to the transformer on the single line diagram. F. The single line diagram shall indicate the alphanumeric identifier, the transformer size (kva), and the primary and secondary voltages. G. Transformers for Non-Linear Loads (K-rated) shall be used at the PSP s discretion Metal Enclosed Distribution Switchgear A. PSP shall show equipment room layout, drawn to scale, indicating location of equipment and bussway routing for interconnection. B. PSP shall label the switchboard consistently on the single-line diagram and the room layout. C. Single-line diagram shall indicate board size and required short circuit rating. D. PSP shall furnish a detailed specification indicating detailed control wiring, meter requirements and special construction requirements not outlined in the design standard Panel boards A. Branch circuit panel boards shall not serve loads on more than one level of a building. B. Molded case circuit breakers shall be bolt-on type only. C. Do not mount panel boards in hallways or other public spaces. D. Provide a separate panel board for labs or other high density electrical utilization equipment spaces where the power requirements exceed 12 poles, and locate the panel board near the entrance. Distribution - 5

PART 1: GENERAL 1.01 Wiring Devices A. This section of the standard includes design requirements for wiring connections, including receptacles and switches to equipment specified in other sections. 1.02

PART 1: GENERAL 1.01 Transformer A. This section includes liquid filled, pad mounted distribution transformers with primary voltage of 12kV or 4.16kV (The University will determine primary voltage), with

PAGE 262400-1 SECTION 262400 PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections,

POWER DELEGATOR SERIES 7200A POWER DISTRIBUTION UNIT WITH POWER CONDITIONING GENERAL SPECIFICATIONS 1.0 SCOPE The following specification describes the features, design, and application of the Series 7200A

PART 1 - GENERAL 1.1 DESCRIPTION SECTION 26 24 11 SPEC WRITER NOTES: Use this section only for NCA projects. Delete between // -- // if not applicable to project. Also delete any other item or paragraph

SECTION 16470 - PANELBOARDS PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. General: Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification

PART 1: GENERAL 1.01 Electrical/Telecommunications Design A. This section of the design and construction standard outlines general requirements for electrical and telecommunications designs to be performed

PART 1: GENERAL 1.01 Electrical/Telecommunications Design A. This section of the design and construction standard outlines general requirements for electrical and telecommunications designs to be performed

PART 1: GENERAL This section of the design standard outlines general requirements for electrical and telecommunications designs to be performed for the University of Texas at Austin. This standard is intended

LIFE LINE PRODUCT SPECIFICATION FOR A 1 TO 3 KVA, SINGLE PHASE, POWER DISTRIBUTION SYSTEM WITH REGULATION AND CONDITIONING 1.0 General This specification covers the electrical characteristics and general

TECHNICAL SPECIFICATIONS for Single Phase, 1 to 3 KVA Power Conditioner with Regulation and Distribution Constant Power 3 (CP3) CP36508A 7/15/04 1.0 General This specification covers the electrical characteristics

PART 1 - GENERAL 1.1 DESCRIPTION SECTION 26 24 13 DISTRIBUTION SWITCHBOARDS SPEC WRITER NOTE: Delete between // -- // if not applicable to project. Also delete any other item or paragraph not applicable

PRODUCT SPECIFICATION FOR A 15 AND 75 kva, THREE PHASE MODULAR POWER DISTRIBUTION SYSTEM WITH REGULATION AND CONDITIONING (Varian) 1.0 General This specification covers the electrical characteristics and

GENERAL: The scope of this document is to provide instruction for the installation and testing of Medium Voltage, 3 Phase, Pad Mounted Transformers installed at the University of Missouri. Preferred transformers

MECKLENBURG COUNTY Land Use and Environmental Service Agency Code Enforcement 2/9/11 ELECTRICAL CONSISTENCY MEETING Code Consistency Questions 1. I have a 500 KVA generator, with no overcurrent protection

PART 1 - GENERAL 1.1 DESCRIPTION SECTION 26 24 16 PANELBOARDS SPEC WRITER NOTE: Delete between // --- // if not applicable to project. Also, delete any other item or paragraph not applicable in the section

POWER SOURCE # POLE MOUNTED SERVICE TRANSFORMER BY POWER HANDHOLE 0/0V, -PHASE, SERVICE CONDUCTORS; -# AWG SERVICE CONDUCTOR AND -# AWG GROUNDED SERVICE CONDUCTOR (NEUTRAL) SERVICE XFMR SECONDARY. A 0V

This document provides a list of the updates to the EPCOR Distribution and Transmission Inc. (EDTI) Customer Connection Guide. If you have any questions, please contact EDTI Customer Engineering Services

GENERAL: The scope of this document is to provide instruction for the installation and testing of Medium Voltage, 3 Phase, Pad Mounted Transformers installed at the University of Missouri. Preferred transformers

1 1 1 1 1 NOTICE OF RULE MAKING PROCEEDINGS AND PUBLIC HEARING NORTH CAROLINA BUILDING CODE COUNCIL Notice of Rule-making Proceedings is hereby given by NC Building Code Council in accordance with G.S.

1. Two Electrical Technicians are discussing markings that are required for AC wiring. Tech A says that AC conductors must be rated for 600 volts and must have their jackets and individual conductors marked

ECET4520 Exam II Sample Exam Problems Instructions: This exam is closed book, except for the reference booklet provided by your instructor and one (8.5 x11 ) sheet of handwritten notes that may not contain

Introduction Several sections of the National Electrical Code relate to proper overcurrent protection. Safe and reliable application of overcurrent protective devices based on these sections mandate that

SECTION 16075 - ELECTRICAL IDENTIFICATION PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification

SECTION 16460 - TRANSFORMERS PART 1 - GENERAL 1.01 RELATED DOCUMENTS A. General: Drawings and general provisions of the Contract, including General and Supplementary Conditions and Specification Section

-156 Purpose & Industrial Control Purpose (1000 kva and Below) mounted dry-type transformers of the two-winding type, self-cooled, with ratings and voltages as indicated on the drawings. shall be manufactured

Journeyman's Practice Exam [Time limit 4.0 hrs.] (The test is open book. I've started at the front of the Code Book and worked toward the back for instructional purposes. The real test will not be in order

SPECIFICATION FOR HORIZONTAL AIRFLOW OUTDOOR RESISTIVE LOAD BANK PART 1.0 GENERAL 1.1 SCOPE A. This specification contains the minimum requirements for the design, manufacture and testing of a UL listed,

IMPORTANT NOTE: You should have received an email from us with a link and password to take your final exam online. Please check your email for this link. Be sure to check your spam folder as well. If you

DATE: _ Building Inspection Submittal Requirements Residential Construction Checklist Single and Two Family Construction Submit a City of Big Spring Permit Application, checklist, and 3 complete hard copy

Current will always try to return to its source In order for there to be current, there must be a complete circuit Current will take as many paths or circuits available to it to return to the source The

INTRODUCTION 1 The checklist is intended to serve as a convenient guide in design development as well as the final checking of plans and specifications for construction projects. Its main usefulness for

DIVISION 26 ELECTRICAL SECTION 26 1000 ELECTRICAL PART 1 - GENERAL 1.1 WORK INCLUDED A. Furnish all labor, material and equipment necessary for the complete installation of the Electrical System as shown

INTELLIMETER REGISTER MODEL RG2 INSTALLATION AND CONNECTIONS INSTALLATION MANUAL WARNING: Any work on or near energized metering equipment can present a danger of electrical shock. All work on these products

Applied Grounding and Bonding Paul Dobrowsky Member NEC Panel 5 1 Introduction This presentation is a representative sample from the following Chapters of Applied Grounding and Bonding. Chapter 1, Introduction

GENERAL PURPOSE DRY-TYPE DISTRIBUTION TRANSFORMERS Acme offers a large selection of Dry-Type Distribution Transformers. Ranging from 600 Volt and below, in both Single and Three Phase, you re sure to find

Continued from Part 1 Rules 1 25. 26 225.32 Disconnect Location The disconnecting means for a building or structure must be installed at a readily accessible location, either outside the building or structure

Section L5: PRE-ENERGIZATION TEST PROCEDURES FOR LOAD-ONLY ENTITIES AND TRANSMISSION-ONLY ENTITIES PURPOSE The following is PG&E's procedure for pre-energization inspections. For PG&E to provide the Load

Licensed Electricians Practical Assessment (LEP) Surname: Date: Given Names: Time: Assessment Time (includes 10 minutes reading time): At the end of this time you will be asked to stop. 4 hours Have you

CHAPTER 15 GROUNDING REQUIREMENTS FOR ELECTRICAL EQUIPMENT A. General In a hazardous location grounding of an electrical power system and bonding of enclosures of circuits and electrical equipment in the